A method for selectively separating contaminants of iron (iii) - ions from copper -, cobalt -, nickel - or zinc sulfate electrolyte solutions containing

摘要

A co-reagent system in the form of an admixture of a metal chelation collector and a mono- or dialkyl substituted phosphoric acid is adapted for selectively removing ferric iron from base metal electrolytic solutions in accordance with the liquid-liquid ion exchange extraction technique.